The meaning of the Acronym SSDD is...

SSDD is

• Same Stuff, Different Day

More Meanings For SSDD:

• Single Sided Double Density
• System/ Segment Design Description ( MIL-STD-498)
• System/ Sub-system Design Description ( MIL-STD-498)
• System/ Segment Design Description ( MIL-STD-498)
• System/Segment Design Document
• Same Stuff, Different Day
• System/ Segment Design Document
• System/ Segment Design Description ( MIL-STD-498)
• System/Subsystem Design Description
• Same Shit, Different Day
• Staff and Student Development Department
• Same Shit, Different Day
• Stupid Sick Dum Dick
• System/ Segment Design Description ( MIL-STD-498)
• System/ Segment Design Document

SSDD is also in:

• Adults
• Chat
• General
• Military
• Networking
• Security
• SMS
• Software
• Universities